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Describe RR Lyrae stars. Include their color, where they are on the H-R diagram, why their luminosity changes, how we determine their luminosities, and what important information we can measure once we know their luminosities.

Describe RR Lyrae stars. Include their color, where they are on the H-R diagram, why their luminosity changes, how we determine their luminosities, and what important information we can measure once we know their luminosities.

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Describe RR Lyrae stars. Include their color, where they are on the H-R diagram, why their luminosity changes, how we determine their luminosities, and what important information we can measure once we know their luminosities. Edit Format Table 12pt v Paragraph v BIU Av
Transcribed Image Text:Describe RR Lyrae stars. Include their color, where they are on the H-R diagram, why their luminosity changes, how we determine their luminosities, and what important information we can measure once we know their luminosities. Edit Format Table 12pt v Paragraph v BIU Av
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